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The latest Storm Prediction Center forecast shows a slight risk for severe thunderstorms Friday and Saturday in the north, with chances for severe weather spreading into the remainder of central Iowa by Sunday.

NWS forecasters said thunderstorms are expected to affect Iowa again late Saturday afternoon into Saturday night. Golf ball sized hail and 70 mph winds are possible.

High temperatures will be in the lower 90s for Friday, Saturday and Sunday.

Heat index values will be around 100 degrees across much of the area in the afternoon hours through the weekend.